geomagnetic storm
Americannoun
Etymology
Origin of geomagnetic storm
First recorded in 1940–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
During the worst geomagnetic storm on record, in 1859, bright auroras were seen as far south as Panama -- and telegraph operators around the world were given electric shocks.
From Barron's ● May 19, 2026
Last year, a level 5 geomagnetic storm occurred for the first time in 20 years, resulting in similarly spectacular views of the Northern and Southern Lights.
From Barron's ● Nov. 13, 2025
"If we are in a geomagnetic storm for example, you definitely can," she said.
From BBC ● Sep. 13, 2025
You'll need these increases in solar energy, such as a moderate to severe geomagnetic storm for the ring to grow and expand to lower latitudes such as the UK.
From BBC ● Mar. 26, 2025
A severe geomagnetic storm could disrupt communications and bring northern lights to parts of California, according to a warning from the National Oceanic and Atmospheric Administration.
From Los Angeles Times ● Oct. 11, 2024
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